摘要
本文简要地阐述了使用不确定度替代误差来表征测量质量的合理性并校详细地讨论了不确定度的概念、估算和传播．
This article has made a breif exposition of using uncertainty inistead of error to show the rationality of quality measure,And furtheimore,it has discussed the conception, estimation and propagation of uncertainty.
